Company OverviewInteractive Brokers Group, Inc. (Nasdaq: IBKR) is a global financial services company headquartered in Greenwich, CT, USA, with offices in over 15 countries. We have been at the forefront of financial innovation for over four decades, known for our cutting-edge technology and client commitment.IBKR affiliates provide global electronic brokerage services around the clock on stocks, options, futures, currencies, bonds, and funds to clients in over 200 countries and territories. We serve individual investors and institutions, including financial advisors, hedge funds and introducing brokers. Our advanced technology, competitive pricing, and global market help our clients to make the most of their investments.Barron's has recognized Interactive Brokers as the #1 online broker for six consecutive years. Join our dynamic, multi-national team and be a part of a company that simplifies and enhances financial opportunities using state-of-the-art technology.Job Description & ResponsibilitiesWe are currently looking for highly skilled programmers from junior to senior level with an affinity for and liking for mathematics and a passion for high-quality software engineering. Our openings could be qualified mostly as „back-end development,” but day-to-day responsibilities may also be connected to front-end tasks.Interactive Brokers Group has consistently been at the forefront of trading innovation, starting with the invention of the first floor-based handheld computer in 1983. We pride ourselves on being primarily a technology company. We continue to challenge the status quo and push boundaries to offer our clients the best trading platform with the most sophisticated features at the lowest cost.As a Java developer, your tasks and responsibilities may include:Designing, implementing, and delivering high-quality software solutions that conform to architectural standardsManaging and “owning” significant development tasks end-to-end (from business requirements analysis to 3rd level production support)Demonstrating excellent collaboration skills in working closely with other development teams to roll out important changes and applicationsResearching, conceiving, and developing technology solutions to extend and improve IBKR’s client-facing and back-end applicationsReviewing code changes made by other developers to ensure correctness, efficiency, readability, and conformity with best practicesOptimizing and refactoring existing code for improved reliability and performanceWriting and maintaining design and engineering documentationTesting, fine-tuning, and deploying new software featuresPerforming maintenance, updating production configuration required for rolling out new functionality and providing technical supportQualification & SkillsOur key requirements are:Degree in Computer Science or related technical fieldExperience in Java developmentStrong analytical and problem-solving skillsKnowledge of SQL and/or relational databases, other data storage solutionsExperience in working in Unix/Linux environmentsExperience in at least one scripting language (e.g., Unix Shell)Strong communication skills in English